//
//  WBVisitorView.swift
//  weibo
//
//  Created by wenquan wang on 11/29/16.
//  Copyright © 2016 wenquan wang. All rights reserved.
//

import UIKit

class WBVisitorView: UIView {
    ///register btn
    lazy var registerButton: UIButton = UIButton.cz_textButton(
        "Register",
        fontSize: 16,
        normalColor: UIColor.orange,
        highlightedColor: UIColor.black,
        backgroundImageName: "common_button_white_disable")
    /// login btn
    lazy var loginButton: UIButton = UIButton.cz_textButton(
        "Login",
        fontSize: 16,
        normalColor: UIColor.darkGray,
        highlightedColor: UIColor.black,
        backgroundImageName: "common_button_white_disable")
    
    ///
    // home page imageNmae = ""
    //dict: [imageName / message]
    ///
    var visitorInfo: [String: String]? {
        didSet{
            guard let imageName = visitorInfo?["imageName"], let message = visitorInfo?["message"] else{
                return
            }
            if imageName == ""{
                startAnimation()
                return
            }
            tipLabel.text = message
            iconView.image = UIImage(named: imageName)
            
            houseIconView.isHidden = true
            maskIconView.isHidden = true
        }
    }
    override init(frame: CGRect){
        super.init(frame: frame)
        
        setupUI()
    }
    
    required init?(coder aDecoder: NSCoder){
        fatalError("init(coder:) has not been implemented!")
    }
    
    private func startAnimation(){
        let anim = CABasicAnimation(keyPath: "transform.rotation")
        anim.toValue = 2 * M_PI
        anim.repeatCount = MAXFLOAT
        anim.duration = 15
        
        anim.isRemovedOnCompletion = false
        
        iconView.layer.add(anim, forKey: nil)
    }
    /// MARK: set visitor view info
    
    
  
    // MARK: - private control
    ///image
    lazy var iconView = UIImageView(image: UIImage(named: "visitordiscover_feed_image_smallicon"))
    ///mask
    lazy var maskIconView: UIImageView = UIImageView(image: UIImage(named:"visitordiscover_feed_mask_smallicon"))
    ///house
    lazy var houseIconView = UIImageView(image: UIImage(named: "visitordiscover_feed_image_house"))
    ///register btn
    lazy var tipLabel:UILabel = UILabel.cz_label(
        withText: "Favorite someone, help someeone, let go!",
        fontSize: 14,
        color: UIColor.darkGray)
    
}

extension WBVisitorView {
    func setupUI(){
        backgroundColor = UIColor.cz_color(withHex: 0xEDEDED)
        
        //add subviews
        addSubview(iconView)
        addSubview(maskIconView)
        addSubview(houseIconView)
        addSubview(tipLabel)
        addSubview(registerButton)
        addSubview(loginButton)
        
        tipLabel.textAlignment = .center
        
        
        for v in subviews{
            v.translatesAutoresizingMaskIntoConstraints = false
        }
        
        // auto layout
        let margin: CGFloat = 20
        // icon
        addConstraint(NSLayoutConstraint(
            item: iconView,
            attribute: .centerX,
            relatedBy: .equal,
            toItem: self,
            attribute: .centerX,
            multiplier: 1.0,
            constant: 0
        ))
        addConstraint(NSLayoutConstraint(
            item: iconView,
            attribute: .centerY,
            relatedBy: .equal,
            toItem: self,
            attribute: .centerY,
            multiplier: 1.0,
            constant: -60
        ))
        //house
        addConstraint(NSLayoutConstraint(
            item: houseIconView,
            attribute: .centerX,
            relatedBy: .equal,
            toItem: iconView,
            attribute: .centerX,
            multiplier: 1.0,
            constant: 0
        ))
        addConstraint(NSLayoutConstraint(
            item: houseIconView,
            attribute: .centerY,
            relatedBy: .equal,
            toItem: iconView,
            attribute: .centerY,
            multiplier: 1.0,
            constant: 0
        ))
        //tiplbl
        addConstraint(NSLayoutConstraint(
            item: tipLabel,
            attribute: .centerX,
            relatedBy: .equal,
            toItem: self,
            attribute: .centerX,
            multiplier: 1.0,
            constant: 0
        ))
        addConstraint(NSLayoutConstraint(
            item: tipLabel,
            attribute: .top,
            relatedBy: .equal,
            toItem: iconView,
            attribute: .bottom,
            multiplier: 1.0,
            constant: margin
        ))
        addConstraint(NSLayoutConstraint(
            item: tipLabel,
            attribute: .width,
            relatedBy: .equal,
            toItem: nil,
            attribute: .notAnAttribute,
            multiplier: 1.0,
            constant: 236))
        //register btn
        addConstraint(NSLayoutConstraint(
            item: registerButton,
            attribute: .left,
            relatedBy: .equal,
            toItem: tipLabel,
            attribute: .left,
            multiplier: 1.0,
            constant: 0))
        addConstraint(NSLayoutConstraint(
            item: registerButton,
            attribute: .top,
            relatedBy: .equal,
            toItem: tipLabel,
            attribute: .bottom,
            multiplier: 1.0,
            constant: margin))
        addConstraint(NSLayoutConstraint(
            item: registerButton,
            attribute: .width,
            relatedBy: .equal,
            toItem: nil,
            attribute: .notAnAttribute,
            multiplier: 1.0,
            constant: 100))
        //login btn
        addConstraint(NSLayoutConstraint(
            item: loginButton,
            attribute: .right,
            relatedBy: .equal,
            toItem: tipLabel,
            attribute: .right,
            multiplier: 1.0,
            constant: 0))
        addConstraint(NSLayoutConstraint(
            item: loginButton,
            attribute: .top,
            relatedBy: .equal,
            toItem: tipLabel,
            attribute: .bottom,
            multiplier: 1.0,
            constant: margin))
        addConstraint(NSLayoutConstraint(
            item: loginButton,
            attribute: .width,
            relatedBy: .equal,
            toItem: registerButton,
            attribute: .width,
            multiplier: 1.0,
            constant: 0))
        // maskImage
        let viewDict = ["maskIconView": maskIconView,
                        "registerButton": registerButton] as [String : Any]
        let metrics = ["spacing": -20]
        addConstraints(NSLayoutConstraint.constraints(
            withVisualFormat: "H:|-0-[maskIconView]-0-|",
            options: [],
            metrics: nil, views: viewDict))
        addConstraints(NSLayoutConstraint.constraints(
            withVisualFormat: "V:|-0-[maskIconView]-(spacing)-[registerButton]",
            options: [],
            metrics: metrics,
            views: viewDict))
    }
}
